This is Mad Scientist Monster’s big moment. The Masked Singer contestant said it was a chance for him to reintroduce himself to the world, and he’s making his mark! During Group C’s debut, Mad Scientist Monster sang the hit classic "Unwell" by Matchbox Twenty.

It's "Decades Night" on The Masked Singer and viewers were tuned into Mystery Mixed Radio! In the Group C finals, Mad Scientist Monster, Nessy, and Yorkie each performed a hit song from an iconic era.

Mad Scientist Monster, Nessy, and Yorkie travel across the decades with their best clues yet on The Masked Singer, leading to guesses like Lori Loughlin, Kyle Richards, and Blake Shelton -- but which star fell flat,

Well it appears that there’s another country singer hiding under one of the masks of the current season, with the Mad Scientist Monster bringing a country sound to performances of “Unwell” by Matchbox 20 and “I Swear” by All-4-One (and, notably, John Michael Montgomery) during his two performances so far.

In episode 9 of The Masked Singer season 13, which aired on April 9, Group C contestants Yorkie, Mad Scientist Monster, and Nessy competed in the finals.

“I was thinking about Brad Paisley. The onstage clue of Season 4 with Sun, that was LeAnn Rimes, who actually won Season 4 of The Masked Singer. Brad Paisley has collaborated with LeAnn Rimes multiple times,” he explains.

On this week's episode of "The Masked Singer," the three remaining contestants in Group C participate in the finals to see which two will move onto 'The Lucky Six'.

The Masked Singer's crafty clue master, Ken Jeong, is at it again. This week, he's tailing Nessy during the "Decades Night" episode of the Fox reality singing competition. Ken calls out Grammy-winning rocker Patrick Monahan of Train as the long-necked crooner when Group C hits the stage for a mixed bag of classic hits on Wednesday.